Daniela Barbosa, who is the business development manager for Synaptica at Dow Jones Client Solutions has written a fabulous eBook explaining how to mix taxonomies built by professionals and folksonomies, which let users tag content as they see fit
A consortium facilitates Open Access publishing in High Energy Physics by re-directing subscription money. This answers the request of the High Energy Physics community.
Today: (funding bodies through) libraries buy journal subscriptions to support the peer-review service and allow their patrons to read articles.
Tomorrow: funding bodies and libraries contribute to the consortium, which pays centrally for the peer-review service. Articles are free to read for everyone.